The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2015
Filed:
Apr. 23, 2014
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventor:
Hiroki Tezuka, Yamanashi, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 3/02 (2006.01); G01L 3/06 (2006.01); B23Q 1/28 (2006.01);
U.S. Cl.
CPC ...
G01L 3/06 (2013.01); B23Q 1/28 (2013.01);
Abstract
A rotation instruction is transmitted to a motor in a state where a workpiece placement table connected to a rotation shaft of the motor is clamped by a clamp mechanism provided in a rotation table, and a clamp torque is measured based on motor torque information in accordance with the rotation instruction and a change in rotation shaft state (a rotation position, a rotation speed, and the like).